The one of the Famous CelebritiesPiper Lisa Perabo is an American stage, film and television actress. Her films include the I Inside , Perfect Opposites , George and the Dragon , The Cave , Imagine Me & You , Edison , The Prestige , and Beverly Hills Chihuahua . She comes into view as a nutritionist on the Fox TV show House. During 2009, Perabo made her Broadway debut in the Neil LaBute play Reasons to Be Pretty.